murthy256 Said:
"Mobile data issue: Mobile data issue error. After updating the iPhone X to latest iOS. It says: your phone is currently unable to access the mobile data or make and receive calls or messages. I have tried connecting the phone to mac and try to update the update and still getting the same error. please help on this. thanks"
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Troubleshooting Mobile Data Issue:
Start here: If you can't Make or Receive Calls on your iPhone - Apple Support
Troubleshooting "No Service":
Is "No Service" shown on the top-left corner of your screen? If so, go here to fix that: If you See No Service or Searching on your iPhone or iPad - Apple Support
No Success?
Contact your Carrier, as they are the one who provide you with the service of Cellularand Voicemail.